Integration of fermentation and gasification

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United States of America Patent

PATENT NO 11772994
APP PUB NO 20210371312A1
SERIAL NO

17445160

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Abstract

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The description describes the integration of a gas fermentation process with a gasification process whereby effluent from the gas fermentation process is recycled to the gasification process. The one or more effluents which can be recycled include a stream comprising microbial biomass, a product stream comprising at least a portion of the at least one fermentation product, a by-product stream comprising fusel oil, and a waste water stream comprising microbial biomass. The stream comprising biomass can be dried before it is passed to the gasification zone. At least a portion of the waste water stream can be passed to the gasification process where one use is to replace at least a portion of the process water. The waste water stream can be further processed to produce a clarified water stream and a biogas stream comprising methane either or both of which can be passed to the gasification process.

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Patent Owner(s)

  • LANZATECH, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Conrado, Robert John Skokie, US 41 40
Gao, Allan Haiming Skokie, US 18 7

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